520313011 has 2 divisors, whose sum is σ = 520313012. Its totient is φ = 520313010.

The previous prime is 520313009. The next prime is 520313023. The reversal of 520313011 is 110313025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520313011 - 2¹ = 520313009 is a prime.

It is a super-2 number, since 2×520313011² = 541451258831772242, which contains 22 as substring.

Together with 520313009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (520313071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260156505 + 260156506.

It is an arithmetic number, because the mean of its divisors is an integer number (260156506).

Almost surely, 2^520313011 is an apocalyptic number.

520313011 is a deficient number, since it is larger than the sum of its proper divisors (1).

520313011 is an equidigital number, since it uses as much as digits as its factorization.

520313011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 520313011 is about 22810.3706896666. The cubic root of 520313011 is about 804.3064695323.

Adding to 520313011 its reverse (110313025), we get a palindrome (630626036).

The spelling of 520313011 in words is "five hundred twenty million, three hundred thirteen thousand, eleven".